*SUPPORT*
IN: fep dax kiki OUT: BLUE RED BLUE RED
IN: lug gazzer lug kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: dax kiki OUT: RED RED
IN: lug OUT: GREEN
IN: fep gazzer tufa OUT: PURPLE PURPLE BLUE BLUE
IN: tufa wif fep OUT: BLUE PURPLE
IN: tufa tufa gazzer dax OUT: RED RED PURPLE PURPLE PURPLE PURPLE
IN: fep wif tufa kiki OUT: PURPLE PURPLE BLUE
IN: dax wif fep kiki OUT: BLUE BLUE RED
IN: fep gazzer dax wif tufa gazzer tufa OUT: PURPLE PURPLE PURPLE PURPLE RED RED BLUE BLUE
IN: lug kiki OUT: GREEN GREEN
IN: lug dax OUT: GREEN RED
IN: fep OUT: BLUE
IN: lug gazzer tufa OUT: PURPLE PURPLE GREEN GREEN

*QUERY*
IN: lug dax lug OUT: GREEN RED GREEN
IN: tufa kiki OUT: PURPLE PURPLE
IN: tufa OUT: PURPLE
IN: lug gazzer dax OUT: RED RED GREEN GREEN
IN: fep kiki OUT: BLUE BLUE
IN: dax OUT: RED
IN: fep gazzer lug OUT: GREEN GREEN BLUE BLUE
IN: lug tufa dax OUT: GREEN PURPLE RED
IN: lug wif tufa wif dax wif dax kiki OUT: RED RED RED PURPLE GREEN
IN: dax gazzer tufa OUT: PURPLE PURPLE RED RED

*GRAMMAR*
tufa -> PURPLE 
 fep -> BLUE 
 lug -> GREEN 
 dax -> RED 
 x1 wif x2 -> [x2] [x1] 
 x1 kiki -> [x1] [x1] 
 x1 gazzer u1 -> [u1] [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 